IBM – Hadoop Interview Questions
- Does Hadoop replace data warehousing systems?
- What are the differences between HBase and Hive
- What is the use of partitions and bucketing in hive?
- Can you write the syntax for Sqoop import
- What is transformation and action in spark?
- Explain RDD and data frames in spark
- What is default partition in MapReduce and how can we override it?
- Explain RDD and data frames in spark?
- What is Hive variable?
- What functions did you use in PIG?
- Which all Alter column command in hive you have worked?
